#include <STC15F2K60S2.H>

void led_disp(unsigned char adder,enable)
{
	static unsigned char temp = 0x00;
	static unsigned char temp_old = 0xff;
	if(enable)
		temp |= 0x01<<adder;
	else
		temp &= ~(0x01<<adder);
	if(temp !=temp_old)
	{
		P0 = ~temp;
		P2 = P2&0X1F  | 0X80;
		P2 &=0X1F;
		temp_old = temp;
	}
	
	
}